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Comfort trial

Comfort fillings
Firmness rating

Support system
Unwind in bliss with the Silentnight UltraGel 1400 Mirapocket Mattress. UltraGel™ foam moulds around you to relieve pressure and deliver a refreshing feel. Features zoned Mirapocket® springs for personalised support.

Silentnight's innovatively designed pocket springs are scientifically proven to respond to your unique shape. The zoned springs enhance spinal alignment, posture and pressure relief.

Enjoy a breathable, refreshing sleep with Silentnight's exclusive UltraGel foam. This layer helps reduce overheating because of its open-cell structure.

Small, individually cased springs provide added comfort to the mattress whilst offering soothing pressure relief. Mini springs decrease motion transfer so you can share the bed undisturbed.

Offering a soothing night's rest by evenly distributing your body weight across the mattress. The pressure point relief provides the ultimate relaxation needed for a deep slumber.

A micro-quilted cover provides a smooth and soft finish to a mattress. The fabric is stitched into the filling inside the mattress to give it the plush quilted feel.
Firmer and more supportive

About 11.4 inches deep. Depth is an important factor when buying a mattress as it can affect the suitability for particular bedding, mattress toppers and bed frames.

With a single-sided mattress, there's no need to flip. Simply rotate every few months to care for your mattress. Fuss free mattress maintenance!

Stitched into the mattress border, turning handles are there for easier moving and turning. When caring for your mattress, simply use the handles provided for ease of use.

For your peace of mind

Expertly handcrafted in the UK. This product helps to support our economy and helps to reduce environmental impact.

This product conforms to BS7177: 2008, for use at home

For the highest standards of quality and safety
The Silentnight UltraGel 1400 Mirapocket Mattress delivers firm support with pressure-relieving UltraGel foam and spinal aligning zoned support.
Zoned support
At the heart of this mattress there is a core of 1400 Mirapocket® springs. Encased in their own individual fabric pockets, these springs respond individually. Providing reactive, personalised support based on your movements and weight. Mirapocket® spring units are zoned and firmer in the centre third to provide greater support to your lower back and hips. This can promote better spinal alignment and help to ease aches.
Foam layers
A 3cm layer of UltraGel™ foam quickly adapts to your unique shape, embracing you in instant comfort. The gel is designed to help evenly distribute your weight and lift it off your pressure points. Resulting in rejuvenating pressure relief for a comforting sleep. This foam allows you to move freely across the mattress without sinking in too deep. Providing a relaxingly comfortable sleep environment night after night.
Followed by a 2cm layer of reflex foam to enhance the comfort of this mattress further. Reflex foam is a durable material that can enhance longevity for longer use.
Breathable design
UltraGel™ foam is made with an open cell structure to encourage breathability. It has been tested and proven to be 5 times more breathable than standard memory foam. Delivering a fresher, cooler feel for a comforting rest.
The mesh fabric border encourages greater airflow within the mattress. This can decrease the build up of heat and moisture for a fresher, cleaner sleep environment. Extending the lifespan of the mattress.
Layers of soft white fibres increase the breathability of the mattress further by encouraging greater airflow through the interior. The top layer of soft white fibres is plush and cosy for comforting cushioning. The additional layers are densely packed for added durability, helping to keep your mattress in good shape.
Firm mattress
Rated firm, this mattress is ideal for those who prefer that study, firmer feel. The tufted finish secures the mattress layers in place, enhancing durability. This tufted technique also helps to enhance the firmness of the mattress.
Maximised sleep space
Designed with a sturdy rod edge which means there are durable rods placed across the top and bottom of the spring unit. This feature makes the edge of the border firmer so you can sleep right to the very edge without the 'roll-off' feel.
Decades of experience
As one of the first B-Corp certified sleep brands, Silentnight have proven why they are the UK’s most trusted name in sleep. Their commitment to quality and environmentally responsible practices ensures a better night’s rest and a brighter future for you.
Made in the UK, you can rest assured this mattress has met the highest standards for quality and safety. Enjoy the security of the 5 Year Guarantee which protects you against any manufacturing faults should they occur.
Please note: pocket spring count is based on a kingsize mattress
This mattress comes with a 60-Night Comfort Trial - like all of our mattresses!
The trial lets you test your mattress for up to 60 nights. If it's not quite right for you, you can exchange it for a new one.
It can take some time to get used to a new mattress, which is why we ask you to sleep on your mattress for 30 nights. If you're not happy with the feel after 30 nights, simply contact our Customer Service Team, and we'll arrange a mattress exchange.
| Firmness | Firm |
| Comfort fillings | UltraGel, Mini Pocket Springs, Microquilted |
| Support system | Mirapocket Springs |
| Pocket spring count | 1400 |
| Pressure relief | Yes |
| Turning handles | Yes |
| Single-sided | Yes |
| Guarantee | 5 years |
| Awards & accreditations | Handcrafted in the UK, Approved by the National Bed Federation |
| Fire resistance | Conforms to BS7177: 2008, for use at home |
| Downloads | Silentnight Product Guarantee |
| Size | Width | Length | Depth |
|---|---|---|---|
| Single | 90cm | 190cm | 29cm |
| Small Double | 120cm | 190cm | 29cm |
| Double | 135cm | 190cm | 29cm |
| King Size | 150cm | 200cm | 29cm |
| Superking | 180cm | 200cm | 29cm |
Please allow for a tolerance of +/- 2cm
The following delivery methods apply to mainland England and most of Scotland, Wales and Northern Ireland. Please read our delivery page for more information.
Next day delivery (weekdays only) Order before | FREE |
Weekday of your choice Order up to 60 days ahead | FREE |
Weekend On Saturday or Sunday of your choice | £17.50 |
Delivery to the front door of your building Free upgrade for Small Double, Double, King Size and Superking to your room of choice | Yes |
Two-hour delivery time slot We’ll let you know on the day before your delivery | Yes |
Call to let you know we’re on our way On your delivery day | Yes |
Delivery to your room of choice Free upgrade for Small Double, Double, King Size and Superking | £20.00 |
Mattress recycling We'll take away your old mattress | £35.00 |
Delivery is on an all-day service, 7am - 8pm for mainland England and most of Scotland, Wales and Northern Ireland.
Need further information? Please visit our Delivery page.
I have been sleeping on the Silentnight 1400 Ultra spring mattress in Super King size for a few weeks now and I think I have got a pretty good sense of it. It's a firm mattress definitely not soft or squishy but that's exactly what I was after. It feels properly supportive especially for my back. Since switching to it I have noticed I sleep better with less tossing and turning and no more waking up with back aches. Hubby is especially happy.One thing to note is the height. This mattress is thick and if you've got it on an ottoman bed like I do it sits pretty high. It's not a dealbreaker but depending on your room setup or how tall you are it might feel a bit too raised. In smaller rooms or with lower ceilings it can feel a bit oversized.Moving it into place was a bit of a mission. It is really heavyaround 50kg and the size makes it awkward to handle up the stairs into the bedroom. Took two men to get it upstairs and onto the bed frame. If you've got tight stairs or narrow hallways make sure to plan ahead. It's not something you want to do solo.The mattress is single-sided so you can't flip it but only rotate it. That's fine for me but if you're used to flipping your mattress every so often just keep in mind that this one isn't designed for that.The mattress came with a couple of pillows too which was a nice touch. Summing up it is a firm comfortable mattress with gel for orthopedicsupport and it feels like it is built to last. My back feels better and I'm sleeping more soundly. If you want something supportive and don't mind the height or the heavy lifting during setup i would say the Silentnight 1400 Ultra is a solid pick. Just make sure your room and bed frame can handle the size and maybe have someone around to help you get it into place.
Verified Purchase
A lot thicker in depth than I expected however that was probably my fault for not reading the description throughly. Big plushy mattress! Super super comfortable just the right firmness as advertised. I've been sleeping on the mattress nearly a week now and I have found my sleep to be a lot better and less aches and pains. I previously had a budget pocket spring mattress and this is definitely an improvement
Verified Purchase
The mattress doesn't come rolled up was very well packaged with loads of extras for safe delivery. The mattress itself is very thick and heavy seems very durable well worth getting Have been using the mattress just under a week now and must say it's very comfortable and supportive has helped massively with my back pain The only down side I've found is that you should air out the mattress in a well ventilated room for the first couple of days as has new mattress smell which I looked up and it's only off- gassing which is totally normal for most new mattress overall it's a fantastic comfortable best sleep I've had for a while would highly recommended.
Verified Purchase
I've been desperate for a new mattress so jumped at the chance to purchase a new one from silentnight. Ordering was simple and you could choose your delivery date at the time of ordering which is great. Delivery was smooth and you had the option to have your old mattress taken away for free. There were a couple of marks on the mattress where the plastic packaging had ripped but I suppose things like this happen when getting ragged about in the back of a delivery van and it's not the end of the world. The mattress looks and feels luxurious it's slightly deeper than my old one so feels a little higher which doesn't bother me. The fitted sheets I have still fit easily despite the mattress being deep. The mattress I ordered is classed as firm and after ordering I was a little worried it may be too firm but I was soo wrong. This mattress is firm enough that you don't notice when your partner rolls over or moves in the night however the Ultra gel feel gives it such a squishy comfy feel. I've slept so well since I received this mattress and wouldn't hesitate to recommend it. Added bonus we got two sets of hotel pillows free with purchase aswell. This mattress is so soft and comfortable yet supportive - I can't wait to get into bed every night 💤 no
Verified Purchase
Wow what a great night's sleep. The mattress is firm for support but the gel sprung system allows a softness that supports and eases those painfully pressure points such as my aching hips and knees from my arthritis. It's a deep matress so a little higher than I had but that is easier for getting in and out of just will take a while for sitting to put socks on. The cooling effect of the gel is preferable to my old foam topper. I didn't want to get upbit was so comfy which makes a change as my hips as normally screaming at me.
Verified Purchase
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